Difference between Int16, Int32 and Int64 in C#

// C# program to show the
// Int16 Struct usage

using System;
using System.Text;

public
class GFG {

  // Main Method
  static void Main(string[] args) {

    // printing minimum & maximum values
    Console.WriteLine("Minimum value of Int16: " 
                      + Int16.MinValue);
    Console.WriteLine("Maximum value of Int16: " 
                      + Int16.MaxValue);
    Console.WriteLine();

    // Int16 array
    Int16[] arr1 = {-3, 0, 1, 3, 7};

    foreach (Int16 i in arr1)
    { 
      Console.WriteLine(i);
    }
  }
}

// C# program to show the
// Int32 struct usage

using System;
using System.Text;

public
class GFG {

  // Main Method
  static void Main(string[] args) {

    // printing minimum & maximum values
    Console.WriteLine("Minimum value of Int32: " 
                      + Int32.MinValue);
    Console.WriteLine("Maximum value of Int32: " 
                      + Int32.MaxValue);
    Console.WriteLine();

    // Int32 array
    Int32[] arr1 = {-3, 0, 1, 3, 7};

    foreach (Int32 i in arr1)
    { 
      Console.WriteLine(i);
    }
  }
}

// C# program to show 
// Int64 struct usage
using System;
using System.Text;

public class GFG {

  // Main Method
  static void Main(string[] args) {

    // printing minimum & maximum values
    Console.WriteLine("Minimum value of Int64: " 
                      + Int64.MinValue);
    Console.WriteLine("Maximum value of Int64: " 
                      + Int64.MaxValue);
    Console.WriteLine();

    // Int64 array
    Int64[] arr1 = {-3, 0, 1, 3, 7};

    foreach (Int64 i in arr1)
    { 
      Console.WriteLine(i);
    }
  }
}